CVE-2017-11403 Use after free in n/a
A use-after-free vulnerability in GraphicsMagick allows attackers to execute arbitrary code or cause denial of service via a crafted MNG file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-11403?
CVE-2017-11403 is a high-severity use after free vulnerability in Graphicsmagick Graphicsmagick, published on 18 Jul 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 has an out-of-order CloseBlob call, resulting in a use-after-free via a crafted file.
Weakness: CWE-416
Which versions are affected by CVE-2017-11403?
It affects 1 product.
Products include Graphicsmagick Graphicsmagick.
How do I fix CVE-2017-11403?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-11403 being exploited?
There is no known exploitation of CVE-2017-11403 in the wild and no public exploit code.
Other vulnerabilities in Graphicsmagick Graphicsmagick
Sources
Also known as DEBIAN-CVE-2017-11403, GHSA-2gx9-pfxr-fgh5, UBUNTU-CVE-2017-11403.